Tropp, Robert H.

Chicago citation style
Tropp, Robert H.. 1939; 1940; 1941; 1942; 1943; 1944; 1945. Retrieved from the Digital Public Library of America, http://www.idaillinois.org/cdm/ref/collection/ivhp/id/14678. (Accessed April 14, 2021.)
APA citation style
(1939; 1940; 1941; 1942; 1943; 1944; 1945) Tropp, Robert H.. Retrieved from the Digital Public Library of America, http://www.idaillinois.org/cdm/ref/collection/ivhp/id/14678
MLA citation style
Retrieved from the Digital Public Library of America <http://www.idaillinois.org/cdm/ref/collection/ivhp/id/14678>.
Note: These citations are programmatically generated and may be incomplete.